Research Letter

Oxidation of Quercetin by Myeloperoxidase

Table 1

Rate constants of quercetin oxidation.

𝑘 ( m i n 1 ) × 1 0 3
pHSampleQuercetin degradationWater adduct formationWater adduct degradation

6.0Q 3 . 6 1 ± 0 . 1 8
Q + MPO (20 nM) 3 4 6 . 0 0 ± 2 1 . 1 5 5 2 4 . 6 0 ± 3 2 . 3 0 2 . 6 7 ± 0 . 0 9
10.0*Non-irradiated Q 8 . 7 3 ± 0 . 3 4 2 5 . 1 2 ± 0 . 9 3
Irradiated Q 1 1 0 . 0 0 ± 3 5 . 2 5 9 6 . 9 1 ± 0 . 1 2 1 0 . 1 3 ± 0 . 5 6

R e f e r e n c e [17].